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Subjects
Science CBSE Homework Assignments
Class 8
Reaching the age of adolescence
Endocrine hormones

1. Sex chromosomes and endocrine glands

Task:

3 m.

Choose the best answer:

1. How many pairs of chromosomes are present in nucleus?

\(46\) pairs
\(44\) pairs
\(22\) pairs
\(23\) pairs

2. Gametes have

none of the above
three sets of chromosomes
two sets of chromosomes
single set of chromosome

3. Gland attached to the brain

thyroid
parathyroid
adrenal
pituitary

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